Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7103bbc8bf125f8…

MALICIOUS

PDF

68.1 KB Created: 2020-09-05 22:42:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a4b2fcac9913a3cbea0f4b36a2ab7904 SHA-1: b69d69276634c9bbeb634fd7dfb1517dec2bd230 SHA-256: e7103bbc8bf125f88e1e25c3fb45d5eed14f9dd3f73dc7267f59763039a7bcb8
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.me/wix?keyword=house+party+guide+0.+11.+3', likely leads to a malicious site. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, including 'https://cdn.shopify.com/s/files/1/0428/7673/1558/files/macroeconomics_mankiw_8th_edition_solutions_manual.pdf', suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.me/wix?keyword=house+party+guide+0.+11.+3
    • https://cdn.shopify.com/s/files/1/0428/7673/1558/files/macroeconomics_mankiw_8th_edition_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/6761/2063/files/91019599456.pdf
    • https://cdn.shopify.com/s/files/1/0461/6962/0643/files/dizatibu.pdf
    • https://cdn.shopify.com/s/files/1/0427/4143/2487/files/psychodynamic_diagnostic_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/8150/7740/files/58038339264.pdf
    • https://static.usrfiles.com/ugd/b8c837_766294f9829343e69533363d1e0b2827.pdf
    • https://static.usrfiles.com/ugd/ed8107_e22b8a346d524bdc8112f8a9eb41b8a2.pdf
    • https://static.usrfiles.com/ugd/b8c837_cb47b5f1d4014dbdb96ac6e2fda0fb45.pdf
    • https://cdn.shopify.com/s/files/1/0441/2683/0744/files/cessna_172_pilot_operating_handbook.pdf
    • https://cdn.shopify.com/s/files/1/0435/3336/9503/files/colored_cellophane_sheets_near_me.pdf
    • https://cdn.shopify.com/s/files/1/0438/8120/1819/files/bhaskara_satellite_information_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0433/8309/5459/files/xukiwenaropibe.pdf
    • https://cdn.shopify.com/s/files/1/0434/6124/7129/files/xuxefasirijafaturoribuje.pdf
    • https://cdn.shopify.com/s/files/1/0431/4464/2715/files/lowes_oneonta_ny.pdf
    • https://cdn.shopify.com/s/files/1/0432/5199/0691/files/cvc_capital_partners_annual_report_2017.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b588.bin
b9015ab24f39dc06f475a420cdd3cf89c8e68e3a6d5fb59f132547170b1790ac
pdf-font-stream PDF embedded font (sfnt) at offset 0xB588 5324 bytes
font_01_sfnt_off0000c7d2.bin
d7a8d208a2d6abbf1e7b2364d21b10504782a10911324040659ce16930ddde83
pdf-font-stream PDF embedded font (sfnt) at offset 0xC7D2 14588 bytes
font_02_sfnt_off0000f58a.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xF58A 4324 bytes